In-fiber beam splitters for construction of in-line Michelson interferometers

被引：16
|
作者：
Liu, Jing [1 ]
Wang, D. N. [1 ]
机构：
[1] China Jiliang Univ, Coll Opt & Elect Technol, Hangzhou 310000, Zhejiang, Peoples R China
来源：
OPTICS LETTERS | 2018年 / 43卷 / 17期
基金：
中国国家自然科学基金;
关键词：
SINGLE-MODE FIBER; REFRACTIVE-INDEX; FEMTOSECOND LASER;
D O I：
10.1364/OL.43.004304
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate optical fiber in-line Michelson interferometers based on two in-fiber beam splitters crossing the core of a single-mode fiber, fabricated by a femtosecond laser. The in-fiber beam splitter reflects part of the incident light to the air-cladding interface before being reflected back while passing the rest to travel along the fiber core. The two in-fiber beam splitters, air-cladding interfaces, and the cutting fiber end face together form a combined three in-line Michelson interferometers. This Michelson interferometer device is robust in mechanical strength, easy in fabrication, compact in size, and low in cost. (C) 2018 Optical Society of America
引用
收藏
页码：4304 / 4307
页数：4
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